Quote Originally Posted by NugsNjugs
Whats crackin all?

OK, if your gonna use red lava rock from your yard please put it through a serious bath first, soak it in PH'd water (5.5), then run it through your stove for 30 minutes to kill the crap from your yard.

Hydroton is basically expanded clay pellets that in no way compare to rockwool. Hydroton I believe is a brand name.
Peace.
This is the thing to do with yard rocks and soil, if you choose to dig up your own medium...
This is good advice.lw